TV Ratings: 'Undercover Boss' Grows, But 'Shark Tank' Still Ferocious

The sneaky workplace reality show gives CBS the most overall viewers, but ABC wins the night in the coveted adults 18-49 demo.

ABC/RICHARD CARTWRIGHT

Watch out -- they bite.

ABC's entrepreneurial pressure cooker Shark Tank continued its winning streak on Friday, averaging a 2.1 rating among those coveted adults 18-49 and 6.7 million total viewers. That's down two tenths of a point from last week, but still strong enough to help guide the network to a first-place win in the demo, average a 1.8 rating for the night and 6.3 million total viewers.

Meanwhile, the second week of ABC's new comedy block featuring Last Man Standing and Malibu Country leveled things out for the Tim Allen and Reba McEntire sitcoms. Standing drew a 1.6 rating with adults 18-49, down three tenths of a point from its second season premiere, while Malibu also drew a 1.6 rating in the demo, falling from its surprisingly strong 2.2 rating debut.

CBS saw gains with Undercover Boss, pulling in a 1.7 rating among adults 18-49 and 8.2 million total viewers in its first half hour, which then grew to a 2.2 rating and 9.8 million total viewers in the second. That's up from the 1.5 rating among 18-49ers that it drew in its season premiere last week. CSI: NY was down one tenth of a point to a 1.4 rating in the demo and 9.8 million overall viewers, while at 10 p.m., Blue Bloods grew two tenths of a point to a 1.5 rating and 11.2 million total viewers.

CBS won the night in overall viewership with an average of 10 million viewers, but drew a 1.6 rating in the adults demo -- good enough for second place.

On NBC, reruns of Go On and Guys with Kids drew a 0.6 and 0.7 among adults 18-49, respectively, while Grimm dropped one tenth of a point to earn a 1.7 rating in the demo and 5.2 million viewers. A Dateline report about a young woman's murder from To Catch a Predator's Chris Hanson drew a 1.6 average in the demo and 4.9 million viewers. The network averaged a 1.2 adults for the night and 4 million total viewers.

Fringe fell two tenths of a point to a 0.8 rating among 18-49ers for Fox, while Kitchen Nightmares grew for the network in the 8:00 p.m. hour. It averaged a 1.2 adults rating, up from last week's 1.0. Fox averaged a 1.1 demo rating for the evening and 3 million viewers, for a fourth-place finish.

On the CW, America's Top Model drew a 0.6 rating among adults 18-49 and 1.4 million overall viewers, up two tenths from last week, and Nikita fell one tenth to a 0.3. The network averaged 1.2 million viewers for the night, flat with last week.